From eaa572e57d1a21892e57f7e451cb991fab32b2d2 Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 29 Jun 2011 21:25:03 +0000
Subject: * lib/cmath.rb (CMath.log): second argument: b can be nil.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32307 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/cmath.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib/cmath.rb')

diff --git a/lib/cmath.rb b/lib/cmath.rb
index 74ef41de72..eef1134ef3 100644
--- a/lib/cmath.rb
+++ b/lib/cmath.rb
@@ -71,7 +71,7 @@ module CMath
   def log(*args)
     begin
       z, b = args
-      unless b.kind_of?(Numeric)
+      unless b.nil? || b.kind_of?(Numeric)
 	raise TypeError,  "Numeric Number required"
       end
       if z.real? and z >= 0 and (b.nil? or b >= 0)
-- 
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